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29th SIGSPATIAL/GIS 2021: Virtual Event / Beijing, China
- Xiaofeng Meng, Fusheng Wang, Chang-Tien Lu, Yan Huang, Shashi Shekhar, Xing Xie:
SIGSPATIAL '21: 29th International Conference on Advances in Geographic Information Systems, Virtual Event / Beijing, China, November 2-5, 2021. ACM 2021, ISBN 978-1-4503-8664-7 - Dejun Teng, Akshay Nehe, Prajeeth Emanuel, Furqan Baig, Jun Kong, Fusheng Wang
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GPU-based Real-time Contact Tracing at Scale. 1-10 - Wenzel Friedsam, Robin Hieber, Alexander Kharitonov, Tobias Rupp:
OSM Ski Resort Routing. 11-14 - Daichi Amagata, Shohei Tsuruoka, Yusuke Arai, Takahiro Hara:
Feat-SKSJ: Fast and Exact Algorithm for Top-k Spatial-Keyword Similarity Join. 15-24 - Agnieszka Jastrzebska, Wladyslaw Homenda:
Text-Based Delay Prediction in a Public Transport Monitoring System. 25-28 - Rita Ramos, Bruno Martins
Remote Sensing Image Captioning with Continuous Output Neural Models. 29-32 - Zhanhong Yang, Satoshi Masuda, Michiaki Tatsubori
Online Adaptation of Parameters using GRU-based Neural Network with BO for Accurate Driving Model. 33-36 - Zheng Zhu, Huimin Ren, Sijie Ruan, Boyang Han, Jie Bao, Ruiyuan Li, Yanhua Li, Yu Zheng:
ICFinder: A Ubiquitous Approach to Detecting Illegal Hazardous Chemical Facilities with Truck Trajectories. 37-40 - Bram Custers, Wouter Meulemans, Bettina Speckmann, Kevin Verbeek
Route Reconstruction from Traffic Flow via Representative Trajectories. 41-52 - Favyen Bastani, Songtao He, Satvat Jagwani, Mohammad Alizadeh, Hari Balakrishnan, Sanjay Chawla, Sam Madden, Mohammad Amin Sadeghi:
Updating Street Maps using Changes Detected in Satellite Imagery. 53-56 - Kostas Kollias, Arun Chandrashekharapuram, Lisa Fawcett, Sreenivas Gollapudi, Ali Kemal Sinop:
Weighted Stackelberg Algorithms for Road Traffic Optimization. 57-68 - Mahan Tabatabaie
Reinforced Feature Extraction and Multi-Resolution Learning for Driver Mobility Fingerprint Identification. 69-80 - Kien Nguyen, John Krumm, Cyrus Shahabi:
Quantifying Intrinsic Value of Information of Trajectories. 81-90 - Guangyin Jin, Huan Yan, Fuxian Li, Yong Li, Jincai Huang:
Hierarchical Neural Architecture Search for Travel Time Estimation. 91-94 - Wenmiao Hu, Yifang Yin, Ying Kiat Tan, An Tran, Hannes Kruppa, Roger Zimmermann:
GeoPalette: Road Segmentation with Limited Satellite Imagery. 95-98 - Hassan Noureddine, Cyril Ray, Christophe Claramunt:
Multiple Views of Semantic Trajectories in Indoor and Outdoor Spaces. 99-102 - Mohamed Amin Hammami, Christophe Claramunt:
An acoustic and psycho-acoustic experimental setup for analysing urban soundscapes. 103-106 - Yifang Yin, An Tran, Ying Zhang, Wenmiao Hu, Guanfeng Wang, Jagannadan Varadarajan, Roger Zimmermann, See-Kiong Ng:
Multimodal Fusion of Satellite Images and Crowdsourced GPS Traces for Robust Road Attribute Detection. 107-116 - Hanxiang Hao, Sriram Baireddy, Kevin J. LaTourette, Latisha Konz, Moses W. Chan, Mary L. Comer
Improving Building Segmentation Using Uncertainty Modeling and Metadata Injection. 117-120 - Camila F. Costa, Mario A. Nascimento:
Last Mile Delivery Considering Time-Dependent Locations. 121-132 - He Li, Shiyu Zhang, Xuejiao Li
DetectorNet: Transformer-enhanced Spatial Temporal Graph Neural Network for Traffic Prediction. 133-136 - He Li, Duo Jin, Xuejiao Li
Multi-Task Synchronous Graph Neural Networks for Traffic Spatial-Temporal Prediction. 137-140 - Konstantin Klemmer, Daniel B. Neill:
Auxiliary-task learning for geographic data with autoregressive embeddings. 141-144 - Jingyuan Wang, Jiawei Jiang, Wenjun Jiang, Chao Li, Wayne Xin Zhao:
LibCity: An Open Library for Traffic Prediction. 145-148 - Menghai Pan, Xin Zhang, Yanhua Li, Xun Zhou, Jun Luo:
Learning Decision Making Strategies of Non-experts: A NEXT-GAIL Model for Taxi Drivers. 149-158 - Xiang Li, Yijun He:
Origin-destination (OD) analysis based on big taxi trajectory data with XStar (Demo Paper). 159-162 - Fandel Lin
Conntrans: A Two-Stage Concentric Annealing Approach for Multi-Criteria Distributed Competitive Stationary Resource Searching. 163-174 - John Krumm:
Brownian Bridge Interpolation for Human Mobility? 175-183 - Sina Shaham, Gabriel Ghinita, Ritesh Ahuja, John Krumm, Cyrus Shahabi:
HTF: Homogeneous Tree Framework for Differentially-Private Release of Location Data. 184-194 - Gautam S. Thakur, Kelly M. Sims
Accelerated Assessment of Critical Infrastructure in Aiding Recovery Efforts During Natural and Human-made Disaster. 195-206 - Soto Anno, Kota Tsubouchi
CityOutlook: Early Crowd Dynamics Forecast towards Irregular Events Detection with Synthetically Unbiased Regression. 207-210 - Yu Gu
Collaboratively inspect large-area sewer pipe networks using pipe robotic capsules. 211-220 - Koh Takeuchi, Masaaki Imaizumi, Shunsuke Kanda, Yasuo Tabei, Keisuke Fujii, Ken Yoda, Masakazu Ishihata, Takuya Maekawa:
Fréchet Kernel for Trajectory Data Analysis. 221-224 - Tianfu He, Guochun Chen, Chuishi Meng, Huajun He, Zheyi Pan, Yexin Li, Sijie Ruan, Huimin Ren, Ye Yuan, Ruiyuan Li, Junbo Zhang, Jie Bao, Hui He, Yu Zheng:
POI Alias Discovery in Delivery Addresses using User Locations. 225-228 - Christian Häcker, Panagiotis Bouros, Theodoros Chondrogiannis, Ernst Althaus:
Most Diverse Near-Shortest Paths. 229-239 - Shangbin Wu, Xiaoliang Fan, Longbiao Chen, Ming Cheng, Cheng Wang:
Predicting the spread of COVID-19 in China with human mobility data. 240-243 - Chenbei Lu, Jiaman Wu, Chenye Wu, Yongli Qin, Qun (Tracy) Li, Nan Ma:
Efficiency or Fairness?: Carpooling Design for Online Ride-hailing Platform in Transport Hubs at Midnight. 244-255 - Sujoy Bhore, Robert Ganian, Guangping Li
Worbel: Aggregating Point Labels into Word Clouds. 256-267 - João Coelho, João Magalhães, Bruno Martins
Improving Neural Models for the Retrieval of Relevant Passages to Geographical Queries. 268-277 - Ahmed Shokry, Moustafa Youssef:
Towards Quantum Computing for Location Tracking and Spatial Systems. 278-281 - Ali Kemal Sinop, Lisa Fawcett, Sreenivas Gollapudi, Kostas Kollias:
Robust Routing Using Electrical Flows. 282-292 - Abdulaziz Almaslukh, Yongyi Liu, Amr Magdy:
Scalable Spatio-Temporal Top-k Community Interactions Query. 293-296 - Theodoros Chondrogiannis, Panagiotis Bouros, Winfried Emser:
Simulation-based Evacuation Planning for Urban Areas. 297-300 - Yang Zhen, Masato Sugasaki, Yoshihiro Kawahara, Kota Tsubouchi
AI-BPO: Adaptive incremental BLE beacon placement optimization for crowd density monitoring applications. 301-304 - Joseph Zalewski, Pascal Hitzler, Krzysztof Janowicz:
Semantic Compression with Region Calculi in Nested Hierarchical Grids. 305-308 - Yuki Awano, Takuya Nishimura:
Matching Buildings Between 2.5D Maps and Dash Cam Images for Building Identification. 309-312 - Yiqun Xie, Xiaowei Jia, Han Bao, Xun Zhou, Jia Yu, Rahul Ghosh, Praveen Ravirathinam:
Spatial-Net: A Self-Adaptive and Model-Agnostic Deep Learning Framework for Spatially Heterogeneous Datasets. 313-323 - Samriddhi Singla, Ahmed Eldawy, Tina Diao, Ayan Mukhopadhyay, Elia Scudiero
The Raptor Join Operator for Processing Big Raster + Vector Data. 324-335 - Keiichi Ochiai, Hiroto Akatsuka
Disaster Damage Estimation from Real-time Population Dynamics using Graph Convolutional Network (Industrial Paper). 336-345 - Setu Shah, Vamsi Meduri, Mohamed Sarwat:
GEM: An Efficient Entity Matching Framework for Geospatial Data. 346-349 - Guoray Cai, Yimu Pan:
Learning Functional Properties of Rooms in Indoor Space from Point Cloud Data: A Deep Learning Approach. 350-353 - Shengcheng Cai, Tao Wu, Jiali Mao, Cheqing Jin:
Road Closure Detection based upon Multi-feature Fusion. 354-364 - Peizhong Yang
Parallel Co-location Pattern Mining based on Neighbor-Dependency Partition and Column Calculation. 365-374 - Xu Teng
Semantically Diverse Paths with Range and Origin Constraints. 375-378 - Yatong Song, Jiawei Li, Liying Chen, Shuiping Chen, Renqing He, Zhizhao Sun:
A Semantic Segmentation based POI Coordinates Generating Framework for On-demand Food Delivery Service. 379-388 - Zongyu Lin, Guozhen Zhang, Zhiqun He, Jie Feng, Wei Wu, Yong Li:
Vehicle Trajectory Recovery on Road Network Based on Traffic Camera Video Data. 389-398 - Xu Teng, Thomas Beckler, Bradley Gannon, Benjamin Huinker, Gabriel Huinker, Koushhik Kumar, Christina Marquez, Jacob Spooner, Goce Trajcevski, Prabin Giri
CSD-CMAD: Coupling Similarity and Diversity for Clustering Multivariate Astrophysics Data. 399-402 - Huajun He, Ruiyuan Li, Jie Bao, Tianrui Li
JUST-Traj: A Distributed and Holistic Trajectory Data Management System. 403-406 - Yue Hu, Sijie Ruan, Yuting Ni, Huajun He, Jie Bao, Ruiyuan Li, Yu Zheng:
SALON: A Universal Stay Point-Based Location Analysis Platform. 407-410 - Mingfei Cai, Yanbo Pang, Takehiro Kashiyama, Yoshihide Sekimoto:
Simulating Human Mobility with Agent-based Modeling and Particle Filter Following Mobile Spatial Statistics. 411-414 - Nicolas Tempelmeier, Elena Demidova:
Ovid: A Machine Learning Approach for Automated Vandalism Detection in OpenStreetMap. 415-418 - Leonardo J. A. S. Figueiredo, Germano B. dos Santos
MoreData: A Geospatial Data Enrichment Framework. 419-422 - Edward Buckland
Managing Trajectories and Interactions During a Pandemic: A Trajectory Similarity-based Approach (Demo Paper). 423-426 - Yuen Hoi Lau, Raymond Chi-Wing Wong:
Spatio-Temporal Graph Convolutional Networks for Traffic Forecasting: Spatial Layers First or Temporal Layers First? 427-430 - Andreas S. Andersen, Andreas D. Christensen, Philip Michaelsen, Shpend Gjela, Kristian Torp:
AIS Data as Trajectories and Heat Maps. 431-434 - Ruiyuan Li, Rubin Wang, Junwen Liu, Zisheng Yu, Huajun He, Tianfu He, Sijie Ruan, Jie Bao, Chao Chen, Fuqiang Gu, Liang Hong, Yu Zheng:
Distributed Spatio-Temporal k Nearest Neighbors Join. 435-445 - Ai-Te Kuo, Hanan Samet:
MusicStand: Listening to Song Lyrics Using a Map Query Interface. 446-449 - Dongjie Wang, Kunpeng Liu, David Mohaisen
Automated Feature-Topic Pairing: Aligning Semantic and Embedding Spaces in Spatial Representation Learning. 450-453 - Solomiia Kurchaba, Jasper van Vliet, Jacqueline J. Meulman, Fons J. Verbeek, Cor J. Veenman:
Improving evaluation of NO2 emission from ships using spatial association on TROPOMI satellite data. 454-457 - Tin Vu, Alberto Belussi
A Learned Query Optimizer for Spatial Join. 458-467 - Dimitrios Skoutas
Discovering Mixture-Based Best Regions of Arbitrary Shapes. 468-479 - Ouri Wolfson
Geographic-Region Monitoring by Drones in Adversarial Environments. 480-483 - Shekoofeh Mokhtari, Alex Rusnak, Tsheko Mutungu, Dragomir Yankov:
Improving Maps Auto-Complete Through Query Expansion (Demo Paper). 484-487 - Liyue Fan, Ishan Gote:
A Closer Look: Evaluating Location Privacy Empirically. 488-499 - Licia Amichi, Aline Carneiro Viana, Mark Crovella, Antonio A. F. Loureiro:
From movement purpose to perceptive spatial mobility prediction. 500-511 - Yunzhi Shi, Raj Biswas, Mehdi Noori, Michael Kilberry, John Oram, Joe Mays, Sachin Kharude, Dinesh Rao, Xin Chen:
Predicting Road Accident Risk Using Geospatial Data and Machine Learning (Demo Paper). 512-515 - Chen Jiang, Jingjing Li, Wenlu Wang, Wei-Shinn Ku:
Modeling Real Estate Dynamics Using Temporal Encoding. 516-525 - Anderson Chaves Carniel, Felippe Galdino
Handling Fuzzy Spatial Data in R Using the fsr Package. 526-535 - Hannah Bast, Patrick Brosi, Johannes Kalmbach
An Efficient RDF Converter and SPARQL Endpoint for the Complete OpenStreetMap Data. 536-539 - Darniton Viana, Luciano Barbosa:
Attention-Based Spatial Interpolation for House Price Prediction. 540-549 - Gorisha Agarwal, Laks V. S. Lakshmanan, Xiaoming Gao, Kevin Ventullo, Saurav Mohapatra, Saikat Basu:
MAYUR: Map conflAtion using earlY prUning and Rank join. 550-553 - I-Ying Wu, Fandel Lin
Dual-Attention Multi-Scale Graph Convolutional Networks for Highway Accident Delay Time Prediction. 554-563 - Mohammad Reza Shahneh, Samet Oymak, Amr Magdy:
A-GWR: Fast and Accurate Geospatial Inference via Augmented Geographically Weighted Regression. 564-575 - Yunting Song, Riccardo Fellegara, Federico Iuricich, Leila De Floriani:
Efficient topology-aware simplification of large triangulated terrains. 576-587 - Robert J. Fitzgerald, Farnoush Banaei Kashani:
Online Route Replanning for Scalable System-Optimal Route Planning. 588-591 - Yawen Zhang, Michael Hannigan, Qin Lv:
Air Pollution Hotspot Detection and Source Feature Analysis using Cross-Domain Urban Data. 592-595 - Joachim Gudmundsson, Martin P. Seybold
On Practical Nearest Sub-Trajectory Queries under the Fréchet Distance. 596-605 - Zhida Chen, Gao Cong, Walid G. Aref
STAR: A Cache-based Distributed Warehouse System for Spatial Data Streams. 606-615 - Payas Rajan
Tiering in Contraction and Edge Hierarchies for Stochastic Route Planning. 616-625 - Honglin Zhu, Qiming Zhou:
How and to what extent does the spatial and temporal discretization schema affect GIS-based hydrological modelling? 626-629 - Sitao Min, Ritesh Ahuja, Yingzhe Liu, Abbas Zaidi, Catherine Phu, Luciano Nocera, Cyrus Shahabi:
CrowdMap: Spatiotemporal Visualization of Anonymous Occupancy Data for Pandemic Response. 630-633 - Rohit Verma, Justas Brazauskas, Vadim Safronov, Matthew Danish
RACER: Real-Time Automated Complex Event Recognition in Smart Environments. 634-637
SIGSPATIAL Cup
- Yurui Huang, Jie Zhang, HengDa Bao, Yang Yang, Jian Yang:
Complementary Fusion of Deep Network and Tree Model for ETA Prediction. 638-641 - Yunchong Gan, Haoyu Zhang, Mingjie Wang:
Travel Time Estimation Based on Neural Network with Auxiliary Loss. 642-645 - Zichuan Liu, Zhaoyang Wu, Meng Wang, Rui Zhang:
Multi-View Spatial-Temporal Model for Travel Time Estimation. 646-649 - Tomoki Saito, Shinichi Tanimoto, Fumihiko Takahashi:
Hierarchical Positional Approach for ETA Prediction. 650-653 - Jiezhang Li, Wanyi Zhou, Zebin Chen
Geo-Attention Network for Traffic Condition Prediction and Travel Time Estimation. 654-657 - Xiaowei Mao, Tianyue Cai, Wenchuang Peng, Huaiyu Wan:
Estimated Time of Arrival Prediction via Modeling the Spatial-Temporal Interactions between Links and Crosses. 658-661 - Xuewei Guo, Shenglong Zhang:
Integration Model for Estimated Time of Arrival. 662-665
Student Research Competition
- Moritz Laass:
Point in Polygon Tests Using Hardware Accelerated Ray Tracing. 666-667 - Ruoying Li
Barrier-Free Pedestrian Routing with Contraction Hierarchies. 668-669 - Sumanto Dutta:
TrajNet: Outlier Detection in Vehicle Trajectory Data using Capsule Network based One-Shot Learning. 670-671 - Joseph Boulis, Mohamed Hemdan, Ahmed Shokry, Moustafa Youssef:
Data Augmentation using GANs for Deep Learning-based Localization Systems. 672-673 - Israa Fahmy
MonoFi: Efficient Indoor Localization based on Single Radio Source And Minimal Fingerprinting. 674-675 - Jingyi Wan:
Efficient Shortest Distance Query Processing in Road Networks for Spatially Skewed Workloads. 676-677 - Yu-En Chang, Hsun-Ping Hsieh:
An Interpretable Deep Learning Framework for Assessing Financial Potential of Urban Spaces. 678-679 - Yuankun Jiao, Yao-Yi Chiang:
SRC: Incorporating Geographic Information for Building a Location-based Recommendation System. 680-681
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